66714440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 166017600

約数和(自身を除く): 99303160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 139, 142, 169, 260, 278, 284, 338, 355, 520, 556, 568, 676, 695, 710, 845, 923, 1112, 1352, 1390, 1420, 1690, 1807, 1846, 2780, 2840, 3380, 3614, 3692, 4615, 5560, 6760, 7228, 7384, 9035, 9230, 9869, 11999, 14456, 18070, 18460, 19738, 23491, 23998, 36140, 36920, 39476, 46982, 47996, 49345, 59995, 72280, 78952, 93964, 95992, 98690, 117455, 119990, 128297, 187928, 197380, 234910, 239980, 256594, 394760, 469820, 479960, 513188, 641485, 939640, 1026376, 1282970, 1667861, 2565940, 3335722, 5131880, 6671444, 8339305, 13342888, 16678610, 33357220, 66714440]

約数ペア:

[(1, 66714440), (2, 33357220), (4, 16678610), (5, 13342888), (8, 8339305), (10, 6671444), (13, 5131880), (20, 3335722), (26, 2565940), (40, 1667861), (52, 1282970), (65, 1026376), (71, 939640), (104, 641485), (130, 513188), (139, 479960), (142, 469820), (169, 394760), (260, 256594), (278, 239980), (284, 234910), (338, 197380), (355, 187928), (520, 128297), (556, 119990), (568, 117455), (676, 98690), (695, 95992), (710, 93964), (845, 78952), (923, 72280), (1112, 59995), (1352, 49345), (1390, 47996), (1420, 46982), (1690, 39476), (1807, 36920), (1846, 36140), (2780, 23998), (2840, 23491), (3380, 19738), (3614, 18460), (3692, 18070), (4615, 14456), (5560, 11999), (6760, 9869), (7228, 9230), (7384, 9035)]